149161654871 has 2 divisors, whose sum is σ = 149161654872. Its totient is φ = 149161654870.

The previous prime is 149161654853. The next prime is 149161654877. The reversal of 149161654871 is 178456161941.

It is a strong prime.

It is an emirp because it is prime and its reverse (178456161941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149161654871 - 2¹⁸ = 149161392727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149161654877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74580827435 + 74580827436.

It is an arithmetic number, because the mean of its divisors is an integer number (74580827436).

Almost surely, 2^149161654871 is an apocalyptic number.

149161654871 is a deficient number, since it is larger than the sum of its proper divisors (1).

149161654871 is an equidigital number, since it uses as much as digits as its factorization.

149161654871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 53.

The spelling of 149161654871 in words is "one hundred forty-nine billion, one hundred sixty-one million, six hundred fifty-four thousand, eight hundred seventy-one".